Mathematics

Problem

Write without a fraction: a. a

\frac{1}{a^n}

b. b

\frac{5}{a^m}

c. c

\frac{1}{b^{-n}}

d. d

\frac{1}{2^{n-3}}

e. e

\frac{1}{3^{2-n}}

f. f

\frac{3}{a^{4-m}}

g. g

\frac{a^n}{b^{-m}}

h. h

\frac{a^{-n}}{a^{2+n}}